There is such tool for RDF: SPARQL Federated Query:
On Tue, Feb 9, 2016 at 6:46 PM, James Weinheimer
<[log in to unmask]> wrote:
> On 2/9/2016 1:06 PM, Folsom, Steven wrote:
>> To take the points James makes further— [hopefully] we’ll start seeing
>> data produced outside of the library context brought into our workflows
>> more and more, with less and less overhead.
> Of course, this is happening right in those libraries that have implemented
> a "discovery tool" that search multiple websites at once and return a single
> result. Or other systems that take records from wherever they find them, do
> some basic conversions, and import them into the catalog. From the user's
> point of view, everything they see in that tool belongs to the "catalog".
> So, lots of times data produced outside libraries is being brought in,
> completely bypassing our workflows.
> It remains to be seen what consequences this will have, but it is happening
> now. Implementing URIs instead of text strings may help .... a little bit.
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